$string = "Hello, world!"; $encoded_string = urlencode($string); echo $encoded_string; // Output: Hello%2C+world%21
$parameter = "search_query"; $value = "php tutorials"; $query_string = $parameter . "=" . urlencode($value); echo $query_string; // Output: search_query=php+tutorials
$fragment = "section_2"; $encoded_fragment = "#" . urlencode($fragment); echo $encoded_fragment; // Output: #%23section_2The urlEncode function is a built-in function in PHP and does not require any external package library.